Hydrothol 191

I thought some of you might be interested in this:

---------- Forwarded message ----------
From: "ED HEIM" <biged at disknet_com>
To: <aquatic-plants at actwin_com>
Subject: Hydrothol 191
Date: Tue, 25 Jun 1996 12:32:17 -0500

Could you please tell me a little about Hydrothol 191 as it applies to
killing aquatic plants. And is it toxic to humans, fish, livestock etc.

Thank you